AMS LGX, “up to 20% expansion” vs real measurements at 3-12 mos post IPP

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TonySa

Jan 2019 study of 342 patients implanted with LGX demonstrated 7.5% increase in length OF fully inflated IPP from immediately post implant to 12 mos.  On average almost all gains were seen by month 3 and all by mos 6.  Note, none of the individuals had peyronies or other fibrotic disorders.  Also, no post operative regimen such as regular pumping was described.  
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6335802/#!po=35.3659

An earlier Jan 2016 with 45 patients showed a 4% increase in length of fully inflated IPP by mos 6 and maintained at mos 12.  This study did not exclude patients with peyronies with 30 degree or less curve and with one module less than 1cm (not calcified).  No post operative regimens such as pumping were described.  

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4736338/#!po=1.21951

Implantation of AMS 700 LGX penile prosthesis preserves penile length without the need for penile lengthening procedures Negro CL, Paradiso M, Rocca A, Bardari F - Asian J Androl
PxD 2 yrs 9/16.  Failed all treatment. 9/11/18: excision, grafting & implant Dr Karpman MtnView Ca, AMS CX 18cm + 3-1cm RTEs.
Pump failed.  2/11/20 Dr Karpman installed Titan 22cm +1cm RTE.

Hawk

I am surprised the increase was not greater than that since it is addressing only the LGX and considering length increase only.  Further is to note that this is an increase in length not to the pre-surgical length but to the immediate post-surgical length with no mention to whether the immediate post-op length was equal to the presurgical length.  

I do not know if Dr. Eid actually measured me in the OR post-op.  If he did I do not recall it or have those numbers.  I do know, however, that based on my post -op measurements I gained more than 7% in length just between day 21 when I could really measure and 6 months.  That is from 6 3/8" to 6 7/8 inches or a gain of 1/2 " or slightly over an 8% gain.  
Prostatectomy 2004, radiation 2009, currently 70 yrs old
After pills, injections, VED - Dr Eid, Titan 22cm implant 8/7/18
Hawk - Updated 10/27/18 - Peyronies Society Forums

TonySa

The recent study does have prevsurgery stretched values as well, but I was interpreting in terms of possible gains in length from the initial full inflation to months down the road.
There is a similar Titan study that shows gains in length with early and twice daily cycling.  I'll look for it.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5000799/
PxD 2 yrs 9/16.  Failed all treatment. 9/11/18: excision, grafting & implant Dr Karpman MtnView Ca, AMS CX 18cm + 3-1cm RTEs.
Pump failed.  2/11/20 Dr Karpman installed Titan 22cm +1cm RTE.